Performing Exposure Calculations

Training overview

Training objectives

At the conclusion of the Public Health Assessment Webinar: Performing Exposure Calculations, you will be able to:

1. Evaluate quantitatively the contaminants that met or exceeded the comparison values (CVs) in Module 6

2. Calculate exposure doses for two routes (ingestion and dermal contact)

3. Derive hazard quotients (HQs) to evaluate noncancer hazards

4. Calculate cancer risks (CRs) for carcinogenic contaminants

5. Evaluate exposure to contaminants in air

6. Evaluate exposure scenarios using ATSDR's Public Health Assessment Site Tool (PHAST)

7. Describe the importance of interprofessional collaboration in conducting the Public Health Assessment

Target audience

Public health professionals involved or interested in the PHA process, including:

• Environmental Health Specialists, Toxicologists, and Epidemiologists
• Health Communicators, Health Educators, and Community Involvement Specialists
• Medical Officers and Registered Nurses
• Program Managers

Continuing education units

To receive CE for WD4928- Public Health Assessment Webinar: Performing Exposure Calculations, you must complete the steps below by December 30, 2026. Use the "WD4928" course number to search for this course.

• Check the box for each type of CE you wish to apply for when registering for the course.
• Complete the course.
• If there is a Mark Completed button on the course page in TRAIN, click to move to the next step.
• Pass the post-assessment. You will have 2 attempts to pass.
• Complete the evaluation.

You can access your certificates and transcript by visiting Your Learning in TRAIN.

Prerequisites

We recommend completing Part 2 of Module 7: Health Effects Evaluation of the Public Health Assessment as a prerequisite for this webinar.

Faculty/Credentials

• Michelle Arbogast, MS BS, Senior Environmental Scientist, Eastern Research Group
• Karen Scruton, BS MS, Section Chief, Exposure Investigations Group, ATSDR/OCHHA/EIS

Accreditation Statements

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CME (Continuing Medical Education): The Centers for Disease Control and Prevention designates this enduring activity for a maximum of 1.25 AMA PRA Category 1 Credits™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.

CNE (Continuing Nursing Education): The Centers for Disease Control and Prevention designates this activity for 1.25 nursing contact hours.

CEU (Continuing Education Unit): The Centers for Disease Control and Prevention is authorized by IACET to offer 0.1 CEU's for this program.

CECH (Continuing Education Contact Hours): Sponsored by the Centers for Disease Control and Prevention, a designated provider of continuing education contact hours (CECH) in health education by the National Commission for Health Education Credentialing, Inc. This program is designated for Certified Health Education Specialists (CHES®) and/or Master Certified Health Education Specialists (MCHES®) to receive up to 1.0 total Category I continuing education contact hours. Maximum advanced level continuing education contact hours available are 1.0. Continuing Competency credits available are 1.0. CDC provider number 98614.

CPH (Certified in Public Health): The Centers for Disease Control and Prevention is a pre-approved provider of Certified in Public Health (CPH) recertification credits and is authorized to offer 1.0 CPH recertification credits for this program.

Disclosure

CDC, our planners, and content experts wish to disclose they have no financial relationship(s) with ineligible companies whose primary business is producing, marketing, selling, reselling, or distributing healthcare products used by or on patients.

Content will not include any discussion of the unlabeled use of a product or a product under investigational use.

CDC did not accept financial or in-kind support from ineligible companies for this continuing education activity.